The arms of the hairpin in A are of a different length. In the main text we interpret it on the basis of the bottom, shorter arm, while FC (→GE) took into account rather the top one. The absence of the mark in FE (→EE) is most probably an oversight.
Compare the passage in the sources »
category imprint: Graphic ambiguousness; Differences between sources
issues: Errors in FE, Scope of dynamic hairpins, Inaccuracies in A
notation: Articulation, Accents, Hairpins